How To Fix HPC030 - Hierarchy level &1 in &2 is used in hierarchy node table

SAP Error Message - Details

• Message type: E = Error

• Message class: HPC - Classification-Based Product Hierarchy

• Message number: 030

• Message text: Hierarchy level &1 in &2 is used in hierarchy node table

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message HPC030 - Hierarchy level &1 in &2 is used in hierarchy node table ?

  The SAP error message HPC030 indicates that a hierarchy level is being used in a hierarchy node table, which typically means that there is an issue with the hierarchy structure in your SAP system. This error can occur in various contexts, such as when working with hierarchical data in SAP applications like SAP BW (Business Warehouse) or SAP ERP.
  Cause:
  The error message HPC030 is triggered when:
  
  You are trying to delete or modify a hierarchy level that is currently in use by one or more nodes in the hierarchy.
  The hierarchy level is still referenced in the hierarchy node table, which prevents changes to the hierarchy structure.
  
  Solution:
  To resolve the HPC030 error, you can follow these steps:
  
  
  Check Hierarchy Usage:
  
  Identify the hierarchy level and the hierarchy node table where it is being used. You can do this by checking the hierarchy structure in the relevant transaction (e.g., transaction code HIER or HIERARCHY).
  
  
  
  Remove References:
  
  If you need to delete or modify the hierarchy level, you must first remove any references to it in the hierarchy node table. This may involve:
  
  Deleting nodes that reference the hierarchy level.
  Changing the hierarchy structure to no longer use the level in question.
  
  
  
  
  
  Adjust Hierarchy Structure:
  
  If the hierarchy level is still needed, consider adjusting the hierarchy structure instead of deleting it. You may need to create new levels or nodes that do not reference the problematic level.
  
  
  
  Recheck Data Consistency:
  
  After making changes, ensure that the hierarchy structure is consistent and that there are no remaining references to the deleted or modified level.
  
  
  
  Consult Documentation:
  
  If you are unsure about the hierarchy structure or how to proceed, consult SAP documentation or your organization's SAP support team for guidance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as HIER, HIERARCHY, or any specific transaction related to the module you are working with (e.g., SE11 for data dictionary).
  SAP Notes: Check SAP Notes for any known issues or additional guidance related to the HPC030 error.
  Support: If the issue persists, consider reaching out to SAP support or your internal SAP team for further assistance.
  
  By following these steps, you should be able to resolve the HPC030 error and manage your hierarchy levels effectively.